π π The Interstate's Forgotten Code π π
CGP Greyγ»2 minutes read
Interstate Majors with double digits are key for navigation, with even numbers connecting vertically while odd numbers are spurs. US Highways, like Route 66, are older and slower than Interstates, with Route 50 and 60 placed in the middle of the US Numbered Highway System.
Insights
- Interstate Majors are crucial for navigation, with east-west routes having numbers ending in zero and higher numbers indicating more northern locations, such as I-90 from Seattle to Boston.
- Interstate Minors, identified by three digits, often branch off from parent Majors, with even numbers typically connecting back and odd numbers acting as spurs, showcasing a structured system of highway organization.
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Recent questions
How are Interstate Majors numbered?
Interstate Majors are numbered with east-west routes ending in zero and the bigger numbers indicating more northern locations.
What distinguishes US Highways from Interstates?
US Highways are older and slower than Interstates, with Route 50 and 60 placed in the middle of the US Numbered Highway System.
How are Interstate Minors numbered?
Interstate Minors use three digits, with even numbers connecting back to parent Majors and odd numbers being spurs.
What is the significance of Interstate Mediums?
Interstate Mediums follow the same numbering pattern as Majors, with exceptions like I-99 and duplicates like I-76 and I-84.
Are there any exceptions in the Interstate Highway System?
Exceptions exist, such as I-495 on Long Island not connecting back to I-95, and odd numbering like I-238 in San Francisco connecting two other Minors.
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Summary
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Interstate Numbers Reveal Navigation Patterns in US
- Interstate Majors are key for navigation, with east-west routes ending in zero and the bigger numbers being more northern.
- Notable Interstate Majors include I-90 from Seattle to Boston, I-10 from Jacksonville to Santa Monica, I-80 from San Francisco to Teaneck, and I-20 from Florence to Kent.
- US Highways, like Route 66, are older and slower than Interstates, with the US Numbered Highway System placing Route 50 and 60 in the middle.
- Interstate Majors are double digits, with five indicating vertical routes, like I-95 from Maine to Miami and I-5 from San Diego to Blaine.
- Interstate Minors use three digits, with even numbers connecting back to parent Majors and odd numbers being spurs, like I-670 and I-190 diverging from I-70.
- Interstate Mediums follow the same numbering pattern as Majors, with exceptions like I-99 and duplicates like I-76 and I-84.
- Exceptions exist, such as I-495 on Long Island not connecting back to I-95, and odd numbering like I-238 in San Francisco connecting two other Minors.
